sakula | b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b

General

Target

b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe
Size

126KB
MD5

260349f5343244c439b211d9f9ff53cf
SHA1

5fbf3ca23f97deb97647ace003308129eeeac1ce
SHA256

b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b
SHA512

1c75c910e387dc2b1f20d45b418e38bccf1211ae23acc7163b26b9ed73271443115f2a2c5bf95e26356e2eb8dac90cd17d6d337c1dc4f1e4bfa232a5e7749714

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula

Sakula Payload 4 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\pdfforie.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\pdfforie.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe	family_sakula
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe	family_sakula

Executes dropped EXE 2 IoCs

Processes:

pdfforie.exeAdobeUpdate.exe

pid process

1356 pdfforie.exe
2232 AdobeUpdate.exe

pid	process
1356	pdfforie.exe
2232	AdobeUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

pdfforie.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe"	pdfforie.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 47 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "346054787"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "346103373"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "346071394"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{16B64217-5B13-11EC-876A-E63C55DA7BCE} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000073ba28bec77bbe4ba4dd58ffcd9527ce00000000020000000000106600000001000020000000e79a90fc7f1c87ee34c22179c976553f1d56ab0e2de9b6112a687d64ec000b4a000000000e8000000002000020000000402d8ba577005e998b8a727bbfee79f4ceb5b5e901862a90168b17daef3fceb320000000a1e744a0a945ed5c7fb2088b4d836ab29b44fd062fa46984109abd6d5d8a466340000000483992367ee4150d1878c0da990eaa2f9a3603c448763c5f6aab754b6dc54a1414c1cc35f6f903b47e9a079d76f715311e206a4ebf49c33a31ab0daa3c5ec718	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0a790f21fefd701	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3997385983"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30928671"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3959729583"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30928671"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000073ba28bec77bbe4ba4dd58ffcd9527ce000000000200000000001066000000010000200000002c89820ea8434f3547a611d323068f704037a3c9900bc0243fd15cb243cdb1f2000000000e80000000020000200000005534d9a98edeb863ca892928b51d4e1967bb26807db9f5364ea86105e2dfc68f20000000a3670241e608b653a07f4845d1c7c60323e6687015c35ed1c983470d124b8ac94000000000ca8fe1d6d95e4c06f215c1140fcd38928e8f50bc8b2f6348d1f5c029aae90b0412b318b380aaabf324eb11fdcd4df423d83098d6e944f4ddab9b607f0cc2aa	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f063dff21fefd701	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3959729583"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30928671"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

720 PING.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

1212 iexplore.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

pdfforie.exe

description pid process

Token: SeIncBasePriorityPrivilege 1356 pdfforie.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1212 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1212 iexplore.exe
1212 iexplore.exe
2276 IEXPLORE.EXE
2276 IEXPLORE.EXE
2276 IEXPLORE.EXE
2276 IEXPLORE.EXE

pid	process
720	PING.EXE

pid	process
1212	iexplore.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1356	pdfforie.exe

pid	process
1212	iexplore.exe

pid	process
1212	iexplore.exe
1212	iexplore.exe
2276	IEXPLORE.EXE
2276	IEXPLORE.EXE
2276	IEXPLORE.EXE
2276	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exepdfforie.exeiexplore.execmd.exe

description	pid	process	target process
PID 596 wrote to memory of 1356	596	b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe	pdfforie.exe
PID 596 wrote to memory of 1356	596	b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe	pdfforie.exe
PID 596 wrote to memory of 1356	596	b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe	pdfforie.exe
PID 596 wrote to memory of 1212	596	b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe	iexplore.exe
PID 596 wrote to memory of 1212	596	b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe	iexplore.exe
PID 1356 wrote to memory of 2232	1356	pdfforie.exe	AdobeUpdate.exe
PID 1356 wrote to memory of 2232	1356	pdfforie.exe	AdobeUpdate.exe
PID 1356 wrote to memory of 2232	1356	pdfforie.exe	AdobeUpdate.exe
PID 1212 wrote to memory of 2276	1212	iexplore.exe	IEXPLORE.EXE
PID 1212 wrote to memory of 2276	1212	iexplore.exe	IEXPLORE.EXE
PID 1212 wrote to memory of 2276	1212	iexplore.exe	IEXPLORE.EXE
PID 1356 wrote to memory of 1348	1356	pdfforie.exe	cmd.exe
PID 1356 wrote to memory of 1348	1356	pdfforie.exe	cmd.exe
PID 1356 wrote to memory of 1348	1356	pdfforie.exe	cmd.exe
PID 1348 wrote to memory of 720	1348	cmd.exe	PING.EXE
PID 1348 wrote to memory of 720	1348	cmd.exe	PING.EXE
PID 1348 wrote to memory of 720	1348	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe
"C:\Users\Admin\AppData\Local\Temp\b8bc59f0a3c34720a5f47b2cf769548f9c057605a94fe5e06361bbeb9801641b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:596

C:\Users\Admin\AppData\Local\Temp\pdfforie.exe
C:\Users\Admin\AppData\Local\Temp\pdfforie.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
3⤵
- Executes dropped EXE
PID:2232

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\pdfforie.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
4⤵
- Runs ping.exe
PID:720

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://www.qzbwcq.com/cookie.html
2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1212 CREDAT:82945 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2276

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

MD5
77913080540cc7373c6757efd172eba7

SHA1
13f05349210ec6bf2af101f44fe8f6e37b303daf

SHA256
8be7e5dd8ee384a264a5813e199eddb7b8710b082d638294c72c6fb518257d16

SHA512
dad482654e8026918c5cb61eb992f58626fa787ce85769457f4544bf4e3204693f5271d31bf62f85de9d05adc49ef4865ae1ece1c58849e94da5475e59d6db11

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

MD5
155060501c30219334cc00b4fb322170

SHA1
40547e5ed6c298573e1858a3afe05db78a986aad

SHA256
5c5670a29e04c3d0e74018467bbfc1b44830b04a50a1328edf3cb546713a477f

SHA512
8422f57311aa832342e603c233bf39d04debdce5d2474bcf87cd6973e93a6dcdf079ac5b053e2178e5d36f63a4993aefde5484e74da25fddcf4afb11f7bf7648

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C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\A5GV1THW.cookie

MD5
1bca38abaf718e8c22dd45745878c833

SHA1
54185ee31e40bbe891bdf965d8188872b333ef42

SHA256
b38e708cb152518302b74586691064d723763db3a8e898d69b1b50b44ecc2ea9

SHA512
036a2f6d0405596448194f42509f913187c10c223134b3467bd6919e7cf2c4f8ec969f57174c54a40932507aa0e530c12e44dd08b2685cdca07f6c8270e284dd

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

MD5
0f43d3de510a47e839341629c21b8ef4

SHA1
b1b0777274352ac396b08e0f0a0f79ead5e3ad47

SHA256
1aeac003b44b1fae08355ba2d506c4750d54e9b958896c7efe7e66f8e943c28f

SHA512
4becfa07d78759e38ef7c1dc41d00b43c2b449cdfd6d54938e7210e9f493104613bbf8c64ad04b87709ee9c29d969df39f7b73ee9b9b6e112ee114314f9eb05d

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C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

MD5
0f43d3de510a47e839341629c21b8ef4

SHA1
b1b0777274352ac396b08e0f0a0f79ead5e3ad47

SHA256
1aeac003b44b1fae08355ba2d506c4750d54e9b958896c7efe7e66f8e943c28f

SHA512
4becfa07d78759e38ef7c1dc41d00b43c2b449cdfd6d54938e7210e9f493104613bbf8c64ad04b87709ee9c29d969df39f7b73ee9b9b6e112ee114314f9eb05d

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C:\Users\Admin\AppData\Local\Temp\pdfforie.exe

MD5
191696982f3f21a6ac31bf3549c94108

SHA1
b28806efad1136d03a4e6f34ed9d826fd828b535

SHA256
22f5fa60c2286e22bee79bcde6e9c7ee80b42ef308c6bb7aed6d6163e5da0214

SHA512
aa6d79fbce14f68e47dd7719e7dcb688dfd72b63db4e8ad3976351494df7221684621468380828c1aeca9f77c1156c8317524ee972696225c0d9be0dde8815ee

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C:\Users\Admin\AppData\Local\Temp\pdfforie.exe

MD5
191696982f3f21a6ac31bf3549c94108

SHA1
b28806efad1136d03a4e6f34ed9d826fd828b535

SHA256
22f5fa60c2286e22bee79bcde6e9c7ee80b42ef308c6bb7aed6d6163e5da0214

SHA512
aa6d79fbce14f68e47dd7719e7dcb688dfd72b63db4e8ad3976351494df7221684621468380828c1aeca9f77c1156c8317524ee972696225c0d9be0dde8815ee

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads