ramnit | 15bdce9489d2c74c5c88a5a8f0140e60982c038c8169977a1a2c1f0aebab50b9

General

Target

0da24e9a4fe58ac5beb38be8ccea52fd.exe
Size

149KB
MD5

0da24e9a4fe58ac5beb38be8ccea52fd
SHA1

a6d12e8ad8e3eead695c490913d845f5e586df68
SHA256

15bdce9489d2c74c5c88a5a8f0140e60982c038c8169977a1a2c1f0aebab50b9
SHA512

8dcdcfcf1b13dcf11bed9dc0040fb832df7f4c154a34a4f88e0ee38c1c38ba7c357397c711797644ea9bd525d081987521d1cf001b96a96026845c87442c7237
SSDEEP

3072:RROzoTq0+RO7IwnYZnSDADeak7dJHB/A9ouUljtQnjPtwi3gSO8EeL:fkdNwBGnSsQLH5A6uzPtw/j

Score

10^/10

ramnit banker 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

Executes dropped EXE 2 IoCs

pid	Process
312	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
3016	DesktopLayer.exe

Loads dropped DLL 2 IoCs

pid	Process
2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe
312	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2460-0-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/files/0x0034000000016cdc-15.dat	upx
behavioral1/memory/312-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3016-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2460-339-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2460-340-0x00000000001C0000-0x00000000001EE000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px2887.tmp	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1596	2460	WerFault.exe	21

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "409840089"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{07EA4611-A4AF-11EE-9610-464D43A133DD} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3016	DesktopLayer.exe
3016	DesktopLayer.exe
3016	DesktopLayer.exe
3016	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2664	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2664	iexplore.exe
2664	iexplore.exe
2708	IEXPLORE.EXE
2708	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 312	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	28
PID 2460 wrote to memory of 312	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	28
PID 2460 wrote to memory of 312	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	28
PID 2460 wrote to memory of 312	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	28
PID 312 wrote to memory of 3016	312	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe	31
PID 312 wrote to memory of 3016	312	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe	31
PID 312 wrote to memory of 3016	312	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe	31
PID 312 wrote to memory of 3016	312	0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe	31
PID 2460 wrote to memory of 1596	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	32
PID 2460 wrote to memory of 1596	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	32
PID 2460 wrote to memory of 1596	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	32
PID 2460 wrote to memory of 1596	2460	0da24e9a4fe58ac5beb38be8ccea52fd.exe	32
PID 3016 wrote to memory of 2664	3016	DesktopLayer.exe	30
PID 3016 wrote to memory of 2664	3016	DesktopLayer.exe	30
PID 3016 wrote to memory of 2664	3016	DesktopLayer.exe	30
PID 3016 wrote to memory of 2664	3016	DesktopLayer.exe	30
PID 2664 wrote to memory of 2708	2664	iexplore.exe	29
PID 2664 wrote to memory of 2708	2664	iexplore.exe	29
PID 2664 wrote to memory of 2708	2664	iexplore.exe	29
PID 2664 wrote to memory of 2708	2664	iexplore.exe	29

C:\Users\Admin\AppData\Local\Temp\0da24e9a4fe58ac5beb38be8ccea52fd.exe
"C:\Users\Admin\AppData\Local\Temp\0da24e9a4fe58ac5beb38be8ccea52fd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
  C:\Users\Admin\AppData\Local\Temp\0da24e9a4fe58ac5beb38be8ccea52fdSrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:312
- - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
    "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 120
  2⤵
  - Program crash
  PID:1596

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2664 CREDAT:275457 /prefetch:2
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2708

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
12a8a4b272bc1fb01cfe900b24bec847

SHA1
fe6926725db01042d2d486be183b0cb1cc3f7e57

SHA256
048f18b896e3cdf7fe463053e865b0245d862265f9a045c5b1605ed8589d877a

SHA512
354753f4749bc1800ecea22f9b74cc1b734000d9fceca8b9bc2e1a54a22ab223064d13506a4426a3e8f9f1b1e5e688ff24f9bdeffe1023b0a7f90b35a41fc3a6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
a6e51da0a9509459ec8596909637cb5a

SHA1
468ba6ce1a78b45f1229a283e6fe31c9db247c40

SHA256
5b3a9241c8ded96962df9148b26ade3383e614337bb1160d8517f478f5db42d2

SHA512
0014c37ec518dbc7d6f79f61ce9d39efe72e55534f9d704947955699741c3f691142ec896215579181811c697752a6d7fad82c35253002beeac5e0e437b3a7ad

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
8ba648828df90751485f25e17b0d5c58

SHA1
79249e59384508a6510367b1752a569e3f546e4f

SHA256
dbfdb2d0dc0f1e989084ad26c01467d82d798d8a5b3105c39dcd85bf323958a6

SHA512
38bf570bdc44e9b02376df2c8274e9b308f34b16bd136d1ea6f9f28598abfa6f1d1758a464e05429bb58289e60c14210cfab8ce4ca56639aec45ff8a907fea5d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ceec2d347bcb9acaba72551034ddd580

SHA1
eb958045fdac5c778deeac4350dabe08ea02e90b

SHA256
09e34cf094f7179bf7bfefd8922c54f20831e4e746e2dd7d3c7fa821ab90e764

SHA512
ef38890db1d826f0d25b6a78f3be1855ac609024a28566333a54d34b5da2449d455cf53018ac4a5d1575fbc0a507eedc26448ebadb61e2e5a9c0e5a62760e9f8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
d7cd521bb6200fb6bfe6dbf2eda93e8e

SHA1
5749615911a742440d30ddfbf2f88d210eeea87a

SHA256
eacf8851671fa6dc2a0dedde1310ec73c5bce1d563dce3e3da9d0365993cffbf

SHA512
f1357c4b5745552bb74c52aa1a212a6d19cd06121ce46c353581b6774789bfd039349c6e9705097d6920c9b415fda3b9361327a670268c3dfc131bda44de2546

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4195.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4215.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/312-17-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/312-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2460-0-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2460-340-0x00000000001C0000-0x00000000001EE000-memory.dmp

Filesize
184KB

Download
memory/2460-339-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2460-8-0x00000000001C0000-0x00000000001EE000-memory.dmp

Filesize
184KB

Download
memory/3016-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3016-16-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

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