ramnit | 2a31c4f6eef14a420e63df8b4a5a0b69e9b805415e886c3bc786e063c272aa76

General

Target

JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe
Size

103KB
MD5

e73b82a47f8afe1563ca80d5b5819102
SHA1

4d142ce11ce823efad4e07d1aed635e9f630f7f7
SHA256

2a31c4f6eef14a420e63df8b4a5a0b69e9b805415e886c3bc786e063c272aa76
SHA512

4b3e27845e53bd6d04520ed2bfc022e87901a907f8d3380426ff01d58fe004cc8ef790cfb2e04994f43cb7a03f0e4e12b76231b5e698d8932114f3b7f4f78b50
SSDEEP

1536:wVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:AnxwgxgfR/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
2168	WaterMark.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4944-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4944-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4944-10-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2168-21-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/2168-27-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4944-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4944-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4944-2-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4944-3-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2168-34-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2168-33-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral2/memory/2168-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2168-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px94AE.tmp	JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	2816	WerFault.exe	84

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_e73b82a47f8afe1563ca80d5b5819102.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 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157047"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1096827312"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1096670802"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157047"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444141243"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6CC4A412-D72A-11EF-BDBF-EE81E66BE9E9} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe
2168	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4640	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4640	iexplore.exe
4640	iexplore.exe
1464	IEXPLORE.EXE
1464	IEXPLORE.EXE
1464	IEXPLORE.EXE
1464	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
4944	JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe
2168	WaterMark.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 2168	4944	JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe	83
PID 4944 wrote to memory of 2168	4944	JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe	83
PID 4944 wrote to memory of 2168	4944	JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe	83
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 2816	2168	WaterMark.exe	84
PID 2168 wrote to memory of 4640	2168	WaterMark.exe	88
PID 2168 wrote to memory of 4640	2168	WaterMark.exe	88
PID 2168 wrote to memory of 1268	2168	WaterMark.exe	89
PID 2168 wrote to memory of 1268	2168	WaterMark.exe	89
PID 4640 wrote to memory of 1464	4640	iexplore.exe	91
PID 4640 wrote to memory of 1464	4640	iexplore.exe	91
PID 4640 wrote to memory of 1464	4640	iexplore.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e73b82a47f8afe1563ca80d5b5819102.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4944
- 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:2168
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:2816
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 204
      4⤵
      Program crash
      PID:2316
- - 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:4640
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4640 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1464
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2816 -ip 2816
1⤵
PID:3956

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
103KB

MD5
e73b82a47f8afe1563ca80d5b5819102

SHA1
4d142ce11ce823efad4e07d1aed635e9f630f7f7

SHA256
2a31c4f6eef14a420e63df8b4a5a0b69e9b805415e886c3bc786e063c272aa76

SHA512
4b3e27845e53bd6d04520ed2bfc022e87901a907f8d3380426ff01d58fe004cc8ef790cfb2e04994f43cb7a03f0e4e12b76231b5e698d8932114f3b7f4f78b50

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

Filesize
471B

MD5
0ada2095c461df5a751955aa41dd491e

SHA1
8366c54b31e1ddc8016aa22aab8c83f73c690810

SHA256
80cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09

SHA512
135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c

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

Filesize
404B

MD5
dbeea53c3f47e261afe8c679e00a8487

SHA1
0441b75f0b63177e274197b25a55f167b62894b9

SHA256
e7cde1724fc581062bcd5ca72000247da495688b29d4d30490890106c897da67

SHA512
042452b204b16b684388fed405b710629bfd2d0e8f44d35cce95b685e3fa8af99ff3d5fe2f587b0d69e08527d7760789ca779b3b7d5b0a2c91756ea726a39522

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2168-25-0x0000000000870000-0x0000000000871000-memory.dmp

Filesize
4KB

Download
memory/2168-32-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2168-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2168-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2168-21-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2168-28-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/2168-33-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2168-34-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2168-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2168-35-0x0000000077122000-0x0000000077123000-memory.dmp

Filesize
4KB

Download
memory/2816-31-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/2816-30-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/4944-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4944-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4944-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4944-0-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4944-26-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4944-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4944-7-0x0000000003100000-0x0000000003101000-memory.dmp

Filesize
4KB

Download
memory/4944-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4944-6-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4944-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4944-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4944-1-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download

Analysis

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