05aaf2d4855f765e016ad7fb7d55531cc6f03a5b7b31553aa81d7cea6c4597cd

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 19:20

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General

Target

31a65114299c4405949acd4858778934_JaffaCakes118.exe
Size

81KB
MD5

31a65114299c4405949acd4858778934
SHA1

9f09f4d6e61bac7d547cda9cc1c66d88df0020d5
SHA256

05aaf2d4855f765e016ad7fb7d55531cc6f03a5b7b31553aa81d7cea6c4597cd
SHA512

430d87aa28263ca94c16aec2803f73691727bf4f8bfac6d95e3ef7342dd64b3201b94aef88fd666f4d4800078bce2be70b2da0ab3109014ec8d07463153f6142
SSDEEP

1536:jKDPPTHbuzvZPtXjVaAZbBh8WconV1NNwYGO7ZCuWJ1lOIhsOV8Q62/do:jqPPTHKzRlVaAZtcGV1NNweWJ17em8Qe

Score

7^/10

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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	31a65114299c4405949acd4858778934_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4328	g5vH2Hrr.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4644-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/4644-1-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/4644-4-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/files/0x00030000000229db-9.dat	upx
behavioral2/memory/4328-14-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/4328-15-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\g5vH2Hrr.exe	31a65114299c4405949acd4858778934_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\g5vH2Hrr.exe	31a65114299c4405949acd4858778934_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\g5vH2Hrr.exe	g5vH2Hrr.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4644	31a65114299c4405949acd4858778934_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4328	g5vH2Hrr.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 4328	4644	31a65114299c4405949acd4858778934_JaffaCakes118.exe	85
PID 4644 wrote to memory of 4328	4644	31a65114299c4405949acd4858778934_JaffaCakes118.exe	85
PID 4644 wrote to memory of 4328	4644	31a65114299c4405949acd4858778934_JaffaCakes118.exe	85
PID 4644 wrote to memory of 2736	4644	31a65114299c4405949acd4858778934_JaffaCakes118.exe	86
PID 4644 wrote to memory of 2736	4644	31a65114299c4405949acd4858778934_JaffaCakes118.exe	86
PID 4644 wrote to memory of 2736	4644	31a65114299c4405949acd4858778934_JaffaCakes118.exe	86
PID 4328 wrote to memory of 4836	4328	g5vH2Hrr.exe	87
PID 4328 wrote to memory of 4836	4328	g5vH2Hrr.exe	87
PID 4328 wrote to memory of 4836	4328	g5vH2Hrr.exe	87

C:\Users\Admin\AppData\Local\Temp\31a65114299c4405949acd4858778934_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\31a65114299c4405949acd4858778934_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4644
- C:\Windows\SysWOW64\g5vH2Hrr.exe
  "C:\Windows\system32\g5vH2Hrr.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4328
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\g5vH2Hrr.exe > nul
    3⤵
    PID:4836
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\31A651~1.EXE > nul
  2⤵
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\g5vH2Hrr.exe

Filesize
81KB

MD5
31a65114299c4405949acd4858778934

SHA1
9f09f4d6e61bac7d547cda9cc1c66d88df0020d5

SHA256
05aaf2d4855f765e016ad7fb7d55531cc6f03a5b7b31553aa81d7cea6c4597cd

SHA512
430d87aa28263ca94c16aec2803f73691727bf4f8bfac6d95e3ef7342dd64b3201b94aef88fd666f4d4800078bce2be70b2da0ab3109014ec8d07463153f6142

Download Submit
memory/4328-14-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4328-15-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4644-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4644-1-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4644-4-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download