b7170d09345e05d8147692c74b3b8790a943b5d062d4a6cea85b3fdbb8245624

General

Target

6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe
Size

835KB
MD5

6ef46b3ee72c052c845d51607af3f171
SHA1

68734412ae23efc6143e422d440f0342cbbff870
SHA256

b7170d09345e05d8147692c74b3b8790a943b5d062d4a6cea85b3fdbb8245624
SHA512

adead4473234c090069c1f474602f9677e6c1fa201a6a963826fcaaa1745cdce134ac7392a63f3b1a60ba1a30de07bb16346ec65f8516600a6bced682ac73e24
SSDEEP

12288:P/CNO27MmI+xURXPeXEquGIwlXoD5H5Lo5hNpa:P/ccnlRf3El6B5L

Score

7^/10

agilenet persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3784	client33.exe
4468	client33.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/2064-4-0x00000000053E0000-0x000000000540C000-memory.dmp	agile_net

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4468-18-0x0000000000900000-0x00000000009C9000-memory.dmp	upx
behavioral2/memory/4468-16-0x0000000000900000-0x00000000009C9000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Documents\\client33.exe -boot"	client33.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3784 set thread context of 4468	3784	client33.exe	95

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2056	4468	WerFault.exe	95

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe
Token: SeDebugPrivilege	3784	client33.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 5084	2064	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe	85
PID 2064 wrote to memory of 5084	2064	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe	85
PID 2064 wrote to memory of 5084	2064	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe	85
PID 2064 wrote to memory of 1884	2064	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe	87
PID 2064 wrote to memory of 1884	2064	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe	87
PID 2064 wrote to memory of 1884	2064	6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe	87
PID 1756 wrote to memory of 3784	1756	explorer.exe	89
PID 1756 wrote to memory of 3784	1756	explorer.exe	89
PID 1756 wrote to memory of 3784	1756	explorer.exe	89
PID 3784 wrote to memory of 4468	3784	client33.exe	95
PID 3784 wrote to memory of 4468	3784	client33.exe	95
PID 3784 wrote to memory of 4468	3784	client33.exe	95
PID 3784 wrote to memory of 4468	3784	client33.exe	95
PID 3784 wrote to memory of 4468	3784	client33.exe	95
PID 3784 wrote to memory of 4468	3784	client33.exe	95
PID 3784 wrote to memory of 4468	3784	client33.exe	95

C:\Users\Admin\AppData\Local\Temp\6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\6ef46b3ee72c052c845d51607af3f171_JaffaCakes118.exe" "C:\Users\Admin\Documents\client33.exe"
  2⤵
  PID:5084
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" /c, "C:\Users\Admin\Documents\client33.exe"
  2⤵
  PID:1884

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\Documents\client33.exe
  "C:\Users\Admin\Documents\client33.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3784
- - C:\Users\Admin\Documents\client33.exe
    "C:\Users\Admin\Documents\client33.exe"
    3⤵
    - Executes dropped EXE
    PID:4468
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 536
      4⤵
      Program crash
      PID:2056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4468 -ip 4468
1⤵
PID:4316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\client33.exe

Filesize
835KB

MD5
6ef46b3ee72c052c845d51607af3f171

SHA1
68734412ae23efc6143e422d440f0342cbbff870

SHA256
b7170d09345e05d8147692c74b3b8790a943b5d062d4a6cea85b3fdbb8245624

SHA512
adead4473234c090069c1f474602f9677e6c1fa201a6a963826fcaaa1745cdce134ac7392a63f3b1a60ba1a30de07bb16346ec65f8516600a6bced682ac73e24

Download Submit
memory/2064-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2064-1-0x00000000009F0000-0x0000000000AC6000-memory.dmp

Filesize
856KB

Download
memory/2064-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

Filesize
5.6MB

Download
memory/2064-3-0x00000000054D0000-0x0000000005562000-memory.dmp

Filesize
584KB

Download
memory/2064-4-0x00000000053E0000-0x000000000540C000-memory.dmp

Filesize
176KB

Download
memory/2064-5-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/2064-6-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/2064-10-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3784-13-0x0000000007430000-0x00000000074CC000-memory.dmp

Filesize
624KB

Download
memory/4468-18-0x0000000000900000-0x00000000009C9000-memory.dmp

Filesize
804KB

Download
memory/4468-16-0x0000000000900000-0x00000000009C9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads