ramnit | 3f042d2ba4460447990b0a062186643b376dedfef266f817eb5e50a43ce92b70

General

Target

JaffaCakes118_350927ebb05a125ced257aecd02a05b6.exe
Size

137KB
MD5

350927ebb05a125ced257aecd02a05b6
SHA1

80bed72e79da83c7fb39e4792bb221c516ae50ff
SHA256

3f042d2ba4460447990b0a062186643b376dedfef266f817eb5e50a43ce92b70
SHA512

a195847e5ae5a2b41174f3b4344a517169e77d59b774c1a9cdad043204de3d46bce5be4be3c2e582483ddec461757a99c8b97fc1199d4f3bce1a164d2ad3afc5
SSDEEP

3072:DaIu9tg7Whz3ww3E7MJUB6Jm2NlRpbt3p1yVs5U2m:iow0uUP2NNbT1+B

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 2 IoCs

pid	Process
4940	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe
4924	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4940-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4940-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4940-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4940-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4940-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4940-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4940-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-29-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-39-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-40-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4924-41-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px89A2.tmp	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2908	3132	WerFault.exe	81
4180	3060	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 4 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	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_350927ebb05a125ced257aecd02a05b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444655324"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5CF90177-DBD7-11EF-B9D5-EE6C25FCE24B} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "828386138"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158244"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158244"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "833074526"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe
4924	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4924	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1364	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1364	iexplore.exe
1364	iexplore.exe
1408	IEXPLORE.EXE
1408	IEXPLORE.EXE
1408	IEXPLORE.EXE
1408	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4940	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe
4924	WaterMark.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 4940	3132	JaffaCakes118_350927ebb05a125ced257aecd02a05b6.exe	82
PID 3132 wrote to memory of 4940	3132	JaffaCakes118_350927ebb05a125ced257aecd02a05b6.exe	82
PID 3132 wrote to memory of 4940	3132	JaffaCakes118_350927ebb05a125ced257aecd02a05b6.exe	82
PID 4940 wrote to memory of 4924	4940	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe	85
PID 4940 wrote to memory of 4924	4940	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe	85
PID 4940 wrote to memory of 4924	4940	JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe	85
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 3060	4924	WaterMark.exe	86
PID 4924 wrote to memory of 1364	4924	WaterMark.exe	90
PID 4924 wrote to memory of 1364	4924	WaterMark.exe	90
PID 4924 wrote to memory of 2164	4924	WaterMark.exe	91
PID 4924 wrote to memory of 2164	4924	WaterMark.exe	91
PID 1364 wrote to memory of 1408	1364	iexplore.exe	92
PID 1364 wrote to memory of 1408	1364	iexplore.exe	92
PID 1364 wrote to memory of 1408	1364	iexplore.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350927ebb05a125ced257aecd02a05b6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350927ebb05a125ced257aecd02a05b6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3132
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - 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:4924
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:3060
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 204
        5⤵
        Program crash
        
        PID:4180
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1364
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1364 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1408
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      PID:2164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 472
  2⤵
  - Program crash
  PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3132 -ip 3132
1⤵
PID:1788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3060 -ip 3060
1⤵
PID:4484

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

Filesize
471B

MD5
206fe14723a861b688f6473333dc507c

SHA1
9e2e50dfd67986677e808b216db08c02961ffd7b

SHA256
c8b5bc9cb349c22051a2fedd1b4f755a1d6cce5cfb19be11a93c8e1d7daa5f18

SHA512
a69a00c9a0b0bb6db4bd7e216a57c1f90c01f9fd0f029dcab1328112ec23ceb34e47be669a433fce8e3e575bfb153736269563bed172c6fc4875b8632890317a

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

Filesize
404B

MD5
583110799e6dd83690918bee6cf5e5f0

SHA1
d1d8ab2c19c0665993def1c89fd519109d15d94e

SHA256
338ebe17900691bb099355f7b69c0305fae7778b694c5c0e8bd0e88b20993368

SHA512
35f1f6c590b494eb2ece42f1cf65e7b2044dc44eb5c6faf19b0001b5d2f03a0149eb2f1a21169aefdce4f09652075ee7804994eb3a337beceb964d970da59b8b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350927ebb05a125ced257aecd02a05b6mgr.exe

Filesize
59KB

MD5
0e0f0ae845d89c22bb6385f64a6b85fd

SHA1
0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

SHA256
5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

SHA512
baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

Download Submit
memory/3060-34-0x0000000000920000-0x0000000000921000-memory.dmp

Filesize
4KB

Download
memory/3060-33-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/3132-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3132-35-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4924-37-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4924-40-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-41-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-39-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-29-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4924-31-0x00000000775E2000-0x00000000775E3000-memory.dmp

Filesize
4KB

Download
memory/4924-30-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/4924-36-0x00000000775E2000-0x00000000775E3000-memory.dmp

Filesize
4KB

Download
memory/4940-20-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4940-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4940-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4940-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4940-5-0x0000000000401000-0x0000000000405000-memory.dmp

Filesize
16KB

Download
memory/4940-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4940-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4940-10-0x00000000018E0000-0x00000000018E1000-memory.dmp

Filesize
4KB

Download
memory/4940-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4940-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4940-6-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

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