088971c0e4e8794d4a71107dcf41b6d15f8f3d639bfc56e31f219e0e336e9845

General

Target

69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe
Size

403KB
MD5

69373e49bc2f9152251f8565537f9d2c
SHA1

a815fecdc520f79726f497d02f9f7f8c497fe4cb
SHA256

088971c0e4e8794d4a71107dcf41b6d15f8f3d639bfc56e31f219e0e336e9845
SHA512

374fd7ed20399b7eeccb8b691559dd4badf8a93dc99241f76cbf26dc3d3c6f664dad1dac132c022dbc7ddfbccafb9b843a27d598d215ab2aea0963abfe9cc047
SSDEEP

12288:xVV9bIozGWoE2psDBt9fKst0SVVyIW+4IR:ntYPsn9fK8nyJ+X

Score

7^/10

aspackv2 discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023475-25.dat	acprotect

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000a000000023419-5.dat	aspack_v212_v242

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-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2416	GYMGJB.exe
1156	ÂÌÉ«Õ÷Í¾_6.exe

Loads dropped DLL 5 IoCs

pid	Process
1156	ÂÌÉ«Õ÷Í¾_6.exe
1156	ÂÌÉ«Õ÷Í¾_6.exe
2416	GYMGJB.exe
2416	GYMGJB.exe
4952	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023473-16.dat	upx
behavioral2/memory/1156-22-0x0000000000400000-0x0000000000413000-memory.dmp	upx
behavioral2/memory/1156-37-0x0000000000400000-0x0000000000413000-memory.dmp	upx

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
4952	1156	WerFault.exe	86

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	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GYMGJB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ÂÌÉ«Õ÷Í¾_6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1156	ÂÌÉ«Õ÷Í¾_6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 2416	3616	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe	83
PID 3616 wrote to memory of 2416	3616	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe	83
PID 3616 wrote to memory of 2416	3616	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe	83
PID 3616 wrote to memory of 1156	3616	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe	86
PID 3616 wrote to memory of 1156	3616	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe	86
PID 3616 wrote to memory of 1156	3616	69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\69373e49bc2f9152251f8565537f9d2c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Users\Admin\AppData\Local\Temp\GYMGJB.exe
  "C:\Users\Admin\AppData\Local\Temp\GYMGJB.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2416
- C:\Users\Admin\AppData\Local\Temp\ÂÌÉ«Õ÷Í¾_6.exe
  "C:\Users\Admin\AppData\Local\Temp\ÂÌÉ«Õ÷Í¾_6.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 452
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1156 -ip 1156
1⤵
PID:1152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\Local\Temp\GYMGJB.exe

Filesize
180KB

MD5
3130e4ac837108cc538a5af967b76831

SHA1
bd36f0a2c9be48968ec309b492396eef95c874f4

SHA256
e6fc2933563a7de6a3cda84f765e5262c7a9313b07675f8d0a031bdc5648d0b6

SHA512
cd5c23684048c1d1bf2f5e89753d230dd6511a8871e42d5b3eaca6e0b5ad67752e7116a78f58fb019518dd6c5680fab2a17bb2f12580a4531adad78816de4a1a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nriAB82.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\ÂÌÉ«Õ÷Í¾_6.exe

Filesize
197KB

MD5
4fb5439a3978bf91ff777f59396cb38e

SHA1
c47fb4a19ebbac58f9bc5ac77d087a94f7d2721e

SHA256
cfe87e7fd281691c4eb53532a2cc843fef06e4bc0d1d96559251900c4b864a8a

SHA512
f6c16ef96eb3e1a472254cb17c1b3d66391ad11ef7e32632557525b53033028e18252b6269969761d1428d4a4191a5385c901b2463d86510cb7fd41cc994ba96

Download Submit
memory/1156-22-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1156-31-0x0000000000790000-0x0000000000803000-memory.dmp

Filesize
460KB

Download
memory/1156-37-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2416-33-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/2416-32-0x0000000002440000-0x00000000024B3000-memory.dmp

Filesize
460KB

Download
memory/2416-38-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2416-40-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/3616-0-0x0000000000400000-0x00000000004665C3-memory.dmp

Filesize
409KB

Download
memory/3616-20-0x0000000000400000-0x00000000004665C3-memory.dmp

Filesize
409KB

Download

Analysis

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