ramnit | 2d3dd516f91090e5e59dc6559f0d2cca6cb992a0855dc6fd20d701d0addc92d2

General

Target

JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe
Size

92KB
MD5

88931f200001a38d9fcbb9db14b10994
SHA1

4e7e78e249bb03b2a682efaa7970d9a5372ec65b
SHA256

2d3dd516f91090e5e59dc6559f0d2cca6cb992a0855dc6fd20d701d0addc92d2
SHA512

fd361ef4cabd48fe1e976ae602fff729456066cf2e5573370c5b764960f1e1932881eb14c14e264bd9894883805e2a81578fc7a90c84ad52596f38a966c1293f
SSDEEP

1536:IVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:YnxwgxgfR/DVG7wBpE

Score

10^/10

ramnit banker discovery spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 1 IoCs

pid	Process
220	WaterMark.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1612-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1612-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1612-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1612-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/220-21-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral2/memory/220-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1612-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1612-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1612-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/220-35-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/220-34-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral2/memory/220-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/220-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px4EDB.tmp	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4792	5044	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 21 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7CC70252-08AD-11F0-A1E4-E628F4A4DBAC} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "449585141"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe
220	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1188	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1188	iexplore.exe
1188	iexplore.exe
5996	IEXPLORE.EXE
5996	IEXPLORE.EXE
5996	IEXPLORE.EXE
5996	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1612	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe
220	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 220	1612	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe	85
PID 1612 wrote to memory of 220	1612	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe	85
PID 1612 wrote to memory of 220	1612	JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe	85
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 5044	220	WaterMark.exe	86
PID 220 wrote to memory of 1188	220	WaterMark.exe	95
PID 220 wrote to memory of 1188	220	WaterMark.exe	95
PID 220 wrote to memory of 2368	220	WaterMark.exe	96
PID 220 wrote to memory of 2368	220	WaterMark.exe	96
PID 1188 wrote to memory of 5996	1188	iexplore.exe	97
PID 1188 wrote to memory of 5996	1188	iexplore.exe	97
PID 1188 wrote to memory of 5996	1188	iexplore.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_88931f200001a38d9fcbb9db14b10994.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:220
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:5044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 208
      4⤵
      Program crash
      PID:4792
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1188 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:5996
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:2368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
1⤵
PID:880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\WaterMark.exe

Filesize
92KB

MD5
88931f200001a38d9fcbb9db14b10994

SHA1
4e7e78e249bb03b2a682efaa7970d9a5372ec65b

SHA256
2d3dd516f91090e5e59dc6559f0d2cca6cb992a0855dc6fd20d701d0addc92d2

SHA512
fd361ef4cabd48fe1e976ae602fff729456066cf2e5573370c5b764960f1e1932881eb14c14e264bd9894883805e2a81578fc7a90c84ad52596f38a966c1293f

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
471B

MD5
70f2cd5a40c53a24406bef59c4dca71a

SHA1
438a0730aab95862c097791a037678c5563c42cc

SHA256
a1c50f56a0ce0c9c0288e7a21a933e4b477de7d729666c884d3e6d734b087607

SHA512
f42fb79ad0075f05a4ad53d749a831f9d12f0d2b2d1016871734e19866b9c8406a041b84fc0085e422dcbbd17076f57ea2425e20a294124e24794d2262739e51

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187

Filesize
412B

MD5
08bace8510f644be204b76864ad5be58

SHA1
a69bbd0988836b94057f4c050c091e6526b08a8f

SHA256
8d8a931b44b7f2c6c4fe0fcaf0f73440932cd7c65b45623f2c91d9aa4eb2a08b

SHA512
b59f82d3062d0d8c2a5af76192ab1e6463d988fb9e58ac44cac3da7d7897b8fd85ba7735f998d5fe04d5faa3eea613d04d1168d23e32801fef280a821a391246

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OMQG84ST\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/220-32-0x00000000771A2000-0x00000000771A3000-memory.dmp

Filesize
4KB

Download
memory/220-35-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/220-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/220-21-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/220-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/220-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/220-28-0x00000000771A2000-0x00000000771A3000-memory.dmp

Filesize
4KB

Download
memory/220-27-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/220-34-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/220-33-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1612-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1612-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1612-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1612-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1612-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1612-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1612-22-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/1612-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1612-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1612-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1612-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/5044-30-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/5044-31-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download

Analysis

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